Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 34, NWS Lincoln, IL

May 27, 1996Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this tornado warning at May 27, 1996, 9:24 PM CDT for Morgan County, Scott County, Illinois. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 27, 1996, 9:24 PM CDT (02:24 UTC)
Expired: May 27, 1996, 10:30 PM CDT
In force: 66 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Morgan County, IL, Scott County, IL

The radar

The Lincoln radar (KILX), 100 km from the middle of the area, began a volume at 02:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.4 hours before the alert went out and 216 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 493 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 305 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSPI 280224
TORSPI
ILC137-171-280330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
924 PM CDT MON MAY 27 1996

THE NATIONAL WEATHER SERVICE IN LINCOLN IL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ILLINOIS

   ...MORGAN COUNTY

IN WEST CENTRAL ILLINOIS

   ...SCOTT COUNTY
 
AT 923 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A POSSIBLE
TORNADO LOCATED NEAR EXETER.

THE STORM ASSOCIATED WITH THE TORNADO CONTINUES TO MOVE TO THE EAST
AT 30 MPH AND SHOULD MOVE THROUGH THE FOLLOWING TOWNS...RIGGSTON...
JACKSONVILLE AND ALEXANDER.

TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE
LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER.
ACT NOW TO SAVE YOUR LIFE!

AT 908 PM CDT...SCOTT COUNTY SHERIFF'S OFFICE REPORTED GOLFBALL
SIZED HAIL IN BLUFFS...SO LARGE HAIL IS ALSO POSSIBLE WITH THIS
STORM.

$$

BYRD
 

&

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this tornado warning went out at May 27, 2:12 PM CDT, 7 hours 12 minutes earlier.

Area forecast discussion, May 27, 2:12 PM CDT, 7 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
210 PM CDT MON MAY 27 1996

AT 19Z...PCPN HAD MOVD OUT OF SRN PTNS OF CWA.  SKIES REMAINED
MSTLY CLDY WITH TEMPS RANGING FROM 55 AT PIA AND BMI TO 67 AT LWV.

BELIEVE PCPN WILL NOT RETURN TO CWA TILL AFT 00Z...AS SVR TRW EXPECTED
TO DEVELOP OVR WRN MO AND MOV ALONG AND N OF SF.

LOW CNTRD OVR SC NE WILL CONT TO SLOWLY MOV TO THE E THE NEXT 24 HOURS.
PCPN IS EXPECTED TO TAPER OFF DURING THE DAY TOMORROW AS LOW MOVE TO
THE E COAST...HOWEVER...SF WILL LINGER OVER SRN IL THRU WED...SO SOME
PCPN IS STILL POSSIBLE LATE TUE.

AS FOR LOWS TONIGHT...BELIEVE TEMPS WILL RANGE FROM THE LOW 50S TO LOW
60S.  HIGHS TOMORROW SHOULD BE IN THE 60S IN NRN PTNS AND 70S IN SRN
PTNS.

PIA    52/67  65
SPI    54/70  65
DEC    54/69  55
CMI    53/69  55
SE IL  60/75  55

BYRD

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 8:48 PM CDT	Tornado Warning	ILX	Morgan, Scott	42 min
May 27, 10:14 PM CDT	Tornado Warning	ILX	Sangamon	61 min
May 27, 11:14 PM CDT	Severe Thunderstorm Warning	ILX	Christian	61 min
May 28, 1:37 PM CDT	Tornado Warning	ILX	Champaign	38 min
May 28, 2:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	69 min
May 28, 2:30 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	45 min
May 28, 2:42 PM CDT	Tornado Warning	ILX	Edgar, Vermilion	43 min

Nearby

Tornado Warnings in Illinois, 1996 Every tornado warning in 1996 Tornadoes in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.